Spa headrest



FIG. 1 is a front right top perspective view of a spa headrest according to the present invention.

FIG. 2 is a front right perspective view thereof.

FIG. 3 is a rear left top perspective view thereof.

FIG. 4 is a front view thereof.

FIG. 5 is a rear view thereof.

FIG. 6 is a left side view thereof.

FIG. 7 is a right side view thereof.

FIG. 8 is a top view thereof; and,

FIG. 9 is a bottom view thereof.

The broken lines depict portions of the spa headrest that form no part of the claimed design. 

CLAIM The ornamental design for a spa headrest, as shown and described. 